If the moxibustion box is used for a long time, there may be moxa oil on the wall of the box, which is unsightly and may affect the effect of moxibustion, or there may be moxa oil deposits on the inside of the moxibustion box, which affects the function of heat transmission. So after the moxibustion is done and cooled, you can use a rag to wipe off the moxa oil around the box, clean the moxa ash on the iron net, and then dry it, which is generally less likely to cause problems. Be sure to pay attention to protect the breathable function of the moxa net, as long as the breathable function of the moxa net is not a problem, without excessive cleaning, moxa oil will not adhere to the wall of the box too much.